雲

Rare term; Ichidan verb - zuru verb (alternative form of -jiru verbs)

to take advantage of the troubled times (of an ambitious adventurer)

Obsolete term; Astronomy

extragalactic nebula

Rare term

Murakumo no Tsurugi (alternate name for Ama-no-Murakumo no Tsurugi; the sword of the Imperial regalia)

Poetical term; Dated term

daybreak; dawn; aurora

thick clouds

classical Japanese poetry

Rare term

fire cloud; pyrocumulus cloud; flammagenitus

Obsolete term; Astronomy

spiral nebula

cloud during rainy season

Rare term

pyrocumulonimbus (cloud)

Obsolete term; Astronomy

galactic nebula